Writing a letter to a best friend who’s no longer physically here is such a deeply personal thing, and I’ve found it can be both heartbreaking and comforting at the same time. I’ve done this myself a few times, and what helped me was treating it like any other conversation we might’ve had—just raw and unfiltered. I’d start by reminiscing about the little inside jokes, the stupid arguments we had over nothing, or that one time we got lost together and laughed about it later. It’s okay if it feels silly at first; the point isn’t perfection, it’s honesty.
Sometimes, I’d include updates about mutual friends or family, like 'Remember Sarah? She finally got that job she wanted.' It makes the connection feel alive, like they’re still part of the loop. And if there’s guilt or things left unsaid, pour that out too—no one’s judging. I’ve buried letters in places that meant something to us, or even burned them as a way to 'send' them. The act itself is the closure, not the response you’ll never get. Grief doesn’t follow rules, so neither should your letter.